Troubleshooting and repair, Procedure – Lincoln Electric POWER FEED SVM185-A User Manual
Page 94

THUMB
THUMB
SCREW
SCREW
CONDUIT
CONDUIT
ELECTRODE
ELECTRODE
CABLE
CABLE
GUN
GUN
BUSHING
BUSHING
WATER
WATER
HOSES
HOSES
WATER
WATER
HOSE
HOSE
FIGURE F.4 – GEAR BOX AND DRIVE MOTOR REMOVAL AND REPLACEMENT
GEAR BOX REMOVAL AND DRIVE MOTOR
REMOVAL AND REPLACEMENT PROCEDURE (continued)
TROUBLESHOOTING AND REPAIR
F-20
F-20
POWER FEED® 25M
PROCEDURE
1. Remove input power to wire feed unit.
2. Using the 3/8 in. nutdriver, remove the
case cover.
3. Locate and remove plug J84 from the
feedhead - control board, located under
control box cover Refer to figure F.4.
4. Thread plug J84 and associated leads
through the vertical baffle. Cut any
necessary cable ties.
5. Locate and disconnect the motor leads
(#551 and #550) at the quick connects.
Cut any necessary cable ties.
6. Using the Phillips head screwdriver, remove
the #67 lead from the conductor block.
7. Using the needlenose pliers, disconnect the
gas hose from the brass gun connector
block.
8. Using the 7/16 in. socket wrench, remove
the four mounting bolts, lock washers, and
flat washers from the plastic base insulator.
9. Carefully slide and remove the entire gear
box, drive motor, and wire drive assembly
from the wire feeder case. Note insulation
placement for reassembly.
Control Box Cover